12. Heliodome, France

The Heliodome in France is a house that will both save energy and make your life very comfortable. The solar panels on the house help it stay cool in summer and warm in winter. The place can be visited for tours.

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11. Habitat 67, Montreal, Canada

Who knew that blocks stuck one on top of each other could form a block of apartments? This amazing structure was built in Montreal, Canada, by Moshe Safdie. At first, it was not supposed to be anything but his thesis, but people actually live in this amazing community building!